Improvement in spike-drawers



A. I. CONWAY.

'SP IKE-DRAWER.

No.179.272. Patented June 27,1876,

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NFETERS. PHOTO-LITHOGRAPHF-R. WASHINGTON D. C.

UNITED STATES PATENT OFFIcE.

ANDREW J. GONWAY 0F SALINA, OHIO, ASSIGNOR TO HIMSELF AND EDGAR MICHAEL,OF SAME PLACE.

IMPROVEMENT IN SPlKE-DRAWERS.

Specification forming part of Letters Patent No. 179,272, dated June 27,1876 application filed March 13, 1876.

To all whom it may concern:

Be it known that I, ANDREW J. CONWAY, of Salina, Athens county, Ohio,have invented an Improvement in Spike-Drawers, of which the following isa specification:

My invention consists of a gripingtongs suspended from a toothed bar,which gears with a toothed segment of a lever pivoted to a stand, onwhich isa slideway for the toothed bar, all so arranged that the gripeof the tongs on the spike is increased as the power applied to the leverincreases, and a powerful spike-drawer is produced.

Figure 1 is a sectional elevation of my improved spike-drawer, and Fig.2 is a front elevation.

Similar letters of reference indicate corresponding parts.

A represents the jaws of the griping-t-ongs,

' which are connected, by links B, with the vertically-sliding toothedbar 0, arranged to slide Having thus described my invention, I

claim as new and desire to secure by Letters Patent- The griping-tongsA, toothed slide 0, segmetal lever H G, and stand E, substantially asspecified.

' ANDREW J. CONWAY. Witnesses:

H. O. WILL, S. B. PIOKERING.

